Color postcard from 1929 of the Montreal River waterfalls in Agawa Canyon, near Sault Ste. Marie, Ontario, Canada. This postcard is part of the "Souvenir of Sault Ste. Marie, Canada" souvenir postcard booklet.

Black and white photograph from circa 1965-1975 of the Detroit, Michigan skyline taken from across the Detroit River in Windsor, Ontario. Buildings in this image include (from left to right): Cobo Center and Arena (1960), Greater Penobscot Building...

Color postcard from 1929 showing a view of the St. Marys River with the International Railroad Bridge, built in 1887, in the background near Sault Sainte Marie, Ontario. This postcard is part of the "Souvenir of Sault Ste. Marie, Canada" souvenir...

Black and white photograph from circa 1935-1940 showing Randolph Street leading down to the Detroit River, with Windsor, Ont. in the background. The Vernor's Ginger Ale bottling plant (on Woodward Avenue) can be seen on the right.

Color postcard from 1929 of the Algoma Central Railway Station, located near the canal in Sault Sainte Marie, Ontario. This postcard is part of the "Souvenir of Sault Ste. Marie, Canada" souvenir postcard booklet.

Color postcard from 1929 of the old blockade house, part of the Hudson Bay Company in Sault Sainte Marie, Ontario. This postcard is part of the "Souvenir of Sault Ste. Marie, Canada" souvenir postcard booklet.

Color postcard from 1929 showing Native Americans spearing fish from canoes in the St. Marys River near Sault Sainte Marie, Michigan. This postcard is part of the "Souvenir of Sault Ste. Marie, Canada" souvenir postcard booklet.

Color postcard from circa 1930-1935 of the Detroit, Michigan skyline and Detroit River from the opposite bank in Windsor, Ontario. The skyline includes the Greater Penobscot Building, Buhl Building and Guardian Building, all iconic Detroit...

Color postcard from 1929 of the steamers "Huronic" and "Assiniboia" leaving the Soo Locks and heading for Lake Superior in Sault Sainte Marie, Michigan. This postcard is part of the "Souvenir of Sault Ste. Marie, Canada" souvenir postcard booklet.